115542545 has 8 divisors (see below), whose sum is σ = 139309440. Its totient is φ = 91995120.

The previous prime is 115542533. The next prime is 115542563. The reversal of 115542545 is 545245511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115542545 - 2⁶ = 115542481 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53705 + ... + 55814.

It is an arithmetic number, because the mean of its divisors is an integer number (17413680).

Almost surely, 2^115542545 is an apocalyptic number.

It is an amenable number.

115542545 is a deficient number, since it is larger than the sum of its proper divisors (23766895).

115542545 is a wasteful number, since it uses less digits than its factorization.

115542545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109735.

The product of its digits is 20000, while the sum is 32.

The square root of 115542545 is about 10749.0718203945. The cubic root of 115542545 is about 487.0579573950.

The spelling of 115542545 in words is "one hundred fifteen million, five hundred forty-two thousand, five hundred forty-five".